Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
326 words
An input-output circuit for use in a control signal generator means, said control signal generator means being provided with a controller, and said control signal generator means being provided in an apparatus comprising first and second connector means and first and second switching means, the first and second connector means each having a signal input terminal, a signal output terminal and a control signal terminal, the first and second switching means each having first, second and third terminals, the first terminal of the first switching means being coupled to the signal output terminal of the second connector means, the second terminal of the first switching means being coupled to the signal input terminal of the first connector means, the first terminal of the second switching means being coupled to the signal output terminal of the first connector means, the second terminal of the second switching means being coupled to the signal input terminal of the second connector means, the first and second switching means being adapted to couple the second or the third terminal to the first terminal under the influence of a first or a second control signal, respectively; the apparatus further comprising said control signal generator means having a first terminal coupled to the control signal terminals of the first and second connector means, and output terminals for supplying the first and second control signals for the first and second switching means; the input-output circuit comprising a first terminal that can be coupled to the first terminal of the control signal generator means, an input terminal that can be coupled to an output of the controller, and an output terminal that can be coupled to an input of the controller; characterized in that the input-output circuit further comprises first low-pass filter means coupled between the input terminal and the first terminal of the input-output circuit, and diode means coupled between the first terminal of the input-output circuit and a first point of constant potential.
Claim 2
Dependent Claim
326 words
An input-output circuit for use in a control signal generator means, said control signal generator means being provided with a controller, and said control signal generator means being provided in an apparatus comprising first and second connector means and first and second switching means, the first and second connector means each having a signal input terminal, a signal output terminal and a control signal terminal, the first and second switching means each having first, second and third terminals, the first terminal of the first switching means being coupled to the signal output terminal of the second connector means, the second terminal of the first switching means being coupled to the signal input terminal of the first connector means, the first terminal of the second switching means being coupled to the signal output terminal of the first connector means, the second terminal of the second switching means being coupled to the signal input terminal of the second connector means, the first and second switching means being adapted to couple the second or the third terminal to the first terminal under the influence of a first or a second control signal, respectively; the apparatus further comprising said control signal generator means having a first terminal coupled to the control signal terminals of the first and second connector means, and output terminals for supplying the first and second control signals for the first and second switching means; the input-output circuit comprising a first terminal that can be coupled to the first terminal of the control signal generator means, an input terminal that can be coupled to an output of the controller, and an output terminal that can be coupled to an input of the controller; characterized in that the input-output circuit further comprises first low-pass filter means coupled between the input terminal and the first terminal of the input-output circuit, and diode means coupled between the first terminal of the input-output circuit and a first point of constant potential.
Claim 3
Dependent Claim
33 words
The input-output circuit as claimed in claim 1, characterized in that the first low-pass filter means comprises a first amplifier coupled between the input terminal and the first terminal of the input-output circuit.
Claim 4
Dependent Claim
36 words
The input-output circuit as claimed in claim 2, characterized in that the input-output circuit further comprises a zener diode coupled between the first terminal of the input-output circuit and a second point of constant potential (ground).
Claim 5
Dependent Claim
39 words
The input-output circuit as claimed in claim 2, characterized in that the input-output circuit further comprises second low-pass filter means coupled in series with said diode means between the first terminal and the output terminal of said input-output circuit.
Claim 6
Dependent Claim
39 words
The input output circuit as claimed in claim 4, characterized in that the second low-pass filter means comprises an amplifier coupled in series with said diode means between the first terminal and the output terminal of said input-output circuit.
Claim 7
Dependent Claim
38 words
The input-output circuit as claimed in claim 2, characterized in that the input-output circuit further comprises a second amplifier coupled in series with said diode means between the first terminal and the output terminal of said input-output circuit.
Claim 8
Dependent Claim
36 words
The input-output circuit as claimed in claim 1, characterized in that the input-output circuit further comprises a zener diode coupled between the first terminal of the input-output circuit and a second point of constant potential (ground).
Claim 9
Dependent Claim
39 words
The input-output circuit as claimed in claim 1, characterized in that the input-output circuit further comprises second low-pass filter means coupled in series with said diode means between the first terminal and the output terminal of the input-output circuit.
Claim 10
Dependent Claim
39 words
The input output circuit as claimed in claim 8, characterized in that the second low-pass filter means comprises an amplifier coupled in series with said diode means between the first terminal and the output terminal of said input-output circuit.
Claim 11
Dependent Claim
37 words
The input-output circuit as claimed in claim 1, characterized in that the input-output circuit further comprises an amplifier coupled in series with said diode means between the first terminal and the output terminal of the input-output circuit.